As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN (I) CHECK INSPECTION THE UPPER AND LOWER HORIZONTAL SPAR CAPS WERE FOUND WITH CORROSION IN THE AREA OF THE ELEVATOR HINGES. THIS AREA WAS NOT TREATED OR PRIMED BY THE FACTORY DURING AC MANUFACTURE AND THUS WAS CONDUCIVE TO CORROSION. THIS IS CONSIDEREED TO BE AFACTORY DEFECT REQUIRING INSPECTION, CORROSION CONTROL AND REPAIRS IAW MFG FIELD REPAIR DETAILS.